12445213951 has 2 divisors, whose sum is σ = 12445213952. Its totient is φ = 12445213950.

The previous prime is 12445213939. The next prime is 12445214017. The reversal of 12445213951 is 15931254421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12445213951 - 2¹¹ = 12445211903 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12445213951.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12445213901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6222606975 + 6222606976.

It is an arithmetic number, because the mean of its divisors is an integer number (6222606976).

Almost surely, 2^12445213951 is an apocalyptic number.

12445213951 is a deficient number, since it is larger than the sum of its proper divisors (1).

12445213951 is an equidigital number, since it uses as much as digits as its factorization.

12445213951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 37.

The spelling of 12445213951 in words is "twelve billion, four hundred forty-five million, two hundred thirteen thousand, nine hundred fifty-one".